44
T. Maeda
References
Aguilar-Aguilar A, Pena-Cabrera E (2007) Selective cross-couplings. sequential
stille−liebeskind/srogl reactions of 3-chloro-4-arylthiocyclobutene-1,2-dione. Org Lett 9,
4163
Ahn HY, Yao S, Wang X, Belfield KD (2012) Near-infrared-emitting squaraine dyes with high 2PA
cross-sections for multiphoton fluorescence imaging. ACS Appl Mater Interfaces 4:2847
Ajayaghosh A (2005) Chemistry of squaraine-derived materials: near-IR dyes, low band gap
systems, and cation sensors. Acc Chem Res 38:449
Ajayaghosh A, Eldo J (2001) A novel approach toward low optical band gap polysquaraines. Org
Lett 3:2595
Ajayaghosh A, Arunkumar E, Daub J (2002) A highly specific Ca 2+ -Ion sensor: signaling by exciton
interaction in a rigid–flexible–rigid bichromophoric “h” foldamerangew. Chem Int Ed 41:1766
Ajayaghosh A, Chithra P, Varghese R, Divya KP (2008) Controlled self-assembly of squaraines to
1D supramolecular architectures with high molar absorptivity. Chem Commun 969
Arunkumar E, Ajayaghosh A, Daub J (2005a) Selective calcium ion sensing with a bichromophoric
squaraine foldamer. J Am Chem Soc 127:3156
Arunkumar E, Forbes CC, Noll BC, Smith BD (2005b) Squaraine-derived rotaxanes: sterically
protected fluorescent near-IR dyes. J Am Chem Soc 127, 3288
Beverina L, Salice P (2010) Squaraine compounds: tailored design and synthesis towards a variety
of material science applications. Eur J Org Chem 1207
Bigelow RW, Freund H (1986) An MNDO and CNDO / S(S + DES CI) study on the structural and
electronic properties of a model squaraine dye and related cyanine. Chem Phys 107, 159
Ceymamm H, Balkenhohl M, Schmiedel A, Holzapfel M, Lambert C (2016) Localised and
delocalised excitons in star-like squaraine homo- and heterotrimers. Phys Chem Chem Phys
18:2646
Ceymann H, Rosspeintner A, Schreck MH, Muetzel C, Stoy A, Vauthey E, Lambert C (2016)
Cooperative enhancement versus additivity of two-photon-absorption cross sections in linear and
branched squaraine superchromophores. Phys Chem Chem Phys 18:16404
Chen CT, Marder SR, Cheng LT (1994) Molecular first hyperpolarizabilities of a new class of
asymmetric squaraine dyes. J Chem Soc Chem Commun 259
Chen H, Law KY, Perlstein J, Whitten DG (1995) Amphiphilic squaraine dye aggregates: evidence
for a cyclic chiral structure as a general supramolecular structure for aggregates of dyes and
aromatic molecules. J Am Chem Soc 117:7257
Chen G, Sasabe H, Igarashi T, Hong Z, Kido J (2015) Squaraine dyes for organic photovoltaic cells.
J Mater Chem A 3:14517 and references therein
Chung S-J, Zheng S, Odani T, Beverina L, Fu J, Padilha LA, Biesso A, Hales JM, Zhan X, Schmidt
K, Ye A, Zojer E, Barlow S, Hagan DJ, Van Stryland EW, Yi Y, Shuai Z, Pagani GA, Bredas
J-L, Perry JW, Marder SR (2006) Extended squaraine dyes with large two-photon absorption
cross-sections. J Am Chem Soc 128:14444
Das S, Thomas KG, Thomas KJ, Kamat PV, George MV (1994) Photochemistry of squaraine
syes: 8. photophysical properties of crown ether squaraine fluoroionophores and their metal ion
complexes. J Phys Chem 98, 9291
Eldo J, Ajayaghosh A (2002) New low band gap polymers: control of optical and electronic
properties in near infrared absorbing π-conjugated polysquaraines. Chem Mater 14:410
Gsänger M, Kirchner E, Stolte M, Burschka C, Stepanenko V, Pflaum J, Würthner F (2014) Highperformance organic thin-film transistors of j-stacked squaraine dyes. J Am Chem Soc 136:2351
Havinga EE, ten Hoeve W, Wynberg H (1993) Alternate donor-acceptor small-band-gap semiconducting polymers; polysquaraines and polycroconaines. Synth Met 55:299
He GS, Tan L-S, Zheng Q, Prasad PN (2008) Multiphoton absorbing materials: molecular designs,
characterizations, and applications. Chem Rev 108:1245–1330
Jradi FM, Kang X, O’Neil D, Pajares G, Getmanenkp YA, Szymanski P, Parker TC, El-Sayed
MA, Marder SR (2015) Near-infrared asymmetrical squaraine sensitizers for highly efficient dye
T. Maeda
References
Aguilar-Aguilar A, Pena-Cabrera E (2007) Selective cross-couplings. sequential
stille−liebeskind/srogl reactions of 3-chloro-4-arylthiocyclobutene-1,2-dione. Org Lett 9,
4163
Ahn HY, Yao S, Wang X, Belfield KD (2012) Near-infrared-emitting squaraine dyes with high 2PA
cross-sections for multiphoton fluorescence imaging. ACS Appl Mater Interfaces 4:2847
Ajayaghosh A (2005) Chemistry of squaraine-derived materials: near-IR dyes, low band gap
systems, and cation sensors. Acc Chem Res 38:449
Ajayaghosh A, Eldo J (2001) A novel approach toward low optical band gap polysquaraines. Org
Lett 3:2595
Ajayaghosh A, Arunkumar E, Daub J (2002) A highly specific Ca 2+ -Ion sensor: signaling by exciton
interaction in a rigid–flexible–rigid bichromophoric “h” foldamerangew. Chem Int Ed 41:1766
Ajayaghosh A, Chithra P, Varghese R, Divya KP (2008) Controlled self-assembly of squaraines to
1D supramolecular architectures with high molar absorptivity. Chem Commun 969
Arunkumar E, Ajayaghosh A, Daub J (2005a) Selective calcium ion sensing with a bichromophoric
squaraine foldamer. J Am Chem Soc 127:3156
Arunkumar E, Forbes CC, Noll BC, Smith BD (2005b) Squaraine-derived rotaxanes: sterically
protected fluorescent near-IR dyes. J Am Chem Soc 127, 3288
Beverina L, Salice P (2010) Squaraine compounds: tailored design and synthesis towards a variety
of material science applications. Eur J Org Chem 1207
Bigelow RW, Freund H (1986) An MNDO and CNDO / S(S + DES CI) study on the structural and
electronic properties of a model squaraine dye and related cyanine. Chem Phys 107, 159
Ceymamm H, Balkenhohl M, Schmiedel A, Holzapfel M, Lambert C (2016) Localised and
delocalised excitons in star-like squaraine homo- and heterotrimers. Phys Chem Chem Phys
18:2646
Ceymann H, Rosspeintner A, Schreck MH, Muetzel C, Stoy A, Vauthey E, Lambert C (2016)
Cooperative enhancement versus additivity of two-photon-absorption cross sections in linear and
branched squaraine superchromophores. Phys Chem Chem Phys 18:16404
Chen CT, Marder SR, Cheng LT (1994) Molecular first hyperpolarizabilities of a new class of
asymmetric squaraine dyes. J Chem Soc Chem Commun 259
Chen H, Law KY, Perlstein J, Whitten DG (1995) Amphiphilic squaraine dye aggregates: evidence
for a cyclic chiral structure as a general supramolecular structure for aggregates of dyes and
aromatic molecules. J Am Chem Soc 117:7257
Chen G, Sasabe H, Igarashi T, Hong Z, Kido J (2015) Squaraine dyes for organic photovoltaic cells.
J Mater Chem A 3:14517 and references therein
Chung S-J, Zheng S, Odani T, Beverina L, Fu J, Padilha LA, Biesso A, Hales JM, Zhan X, Schmidt
K, Ye A, Zojer E, Barlow S, Hagan DJ, Van Stryland EW, Yi Y, Shuai Z, Pagani GA, Bredas
J-L, Perry JW, Marder SR (2006) Extended squaraine dyes with large two-photon absorption
cross-sections. J Am Chem Soc 128:14444
Das S, Thomas KG, Thomas KJ, Kamat PV, George MV (1994) Photochemistry of squaraine
syes: 8. photophysical properties of crown ether squaraine fluoroionophores and their metal ion
complexes. J Phys Chem 98, 9291
Eldo J, Ajayaghosh A (2002) New low band gap polymers: control of optical and electronic
properties in near infrared absorbing π-conjugated polysquaraines. Chem Mater 14:410
Gsänger M, Kirchner E, Stolte M, Burschka C, Stepanenko V, Pflaum J, Würthner F (2014) Highperformance organic thin-film transistors of j-stacked squaraine dyes. J Am Chem Soc 136:2351
Havinga EE, ten Hoeve W, Wynberg H (1993) Alternate donor-acceptor small-band-gap semiconducting polymers; polysquaraines and polycroconaines. Synth Met 55:299
He GS, Tan L-S, Zheng Q, Prasad PN (2008) Multiphoton absorbing materials: molecular designs,
characterizations, and applications. Chem Rev 108:1245–1330
Jradi FM, Kang X, O’Neil D, Pajares G, Getmanenkp YA, Szymanski P, Parker TC, El-Sayed
MA, Marder SR (2015) Near-infrared asymmetrical squaraine sensitizers for highly efficient dye